<!DOCTYPE html>
<html lang="zh">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title></title>
  <link rel="stylesheet" href="css/s02.css"/>
	<style>
	      div {					  
					   color:green !important;
				}
	</style>
</head>
<body>
	   <div style="color: red;">这里是页头</div>
		 <div>这里是页面主体</div>
		 <div>这里是页面的尾部</div>
   
    

</body>
</html>